Multi-Mission Capable, High g Load mW RPS

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Description

Over the past few years Hi-Z has been developing a wide range of mW generators and life testing thermoelectric modules for the Department of Energy (DOE) to fulfill requirements by NASA Ames and other agencies. The purpose of this report is to determine the capabilities of a wide range of mW generators for various missions. In the 1st quarterly report the power output of various mW generators was determined via thermal and mechanical modeling. The variable attributes of each generator modeled were: the number of RHUs (1-8), generator outer diameter (1.25-4 in.), and G-load (10, 500, or 2,000). The resultant ... continued below

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Bass, John C.; Hiller, Nathan; Jovanovic, Velimir & Elsner, Norbert B. May 23, 2007.

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Description

Over the past few years Hi-Z has been developing a wide range of mW generators and life testing thermoelectric modules for the Department of Energy (DOE) to fulfill requirements by NASA Ames and other agencies. The purpose of this report is to determine the capabilities of a wide range of mW generators for various missions. In the 1st quarterly report the power output of various mW generators was determined via thermal and mechanical modeling. The variable attributes of each generator modeled were: the number of RHUs (1-8), generator outer diameter (1.25-4 in.), and G-load (10, 500, or 2,000). The resultant power output was as high as 180 mW for the largest generator with the lowest Gload. Specifically, we looked at the design of a generator for high G loading that is insulated with Xenon gas and multifoil solid insulation. Because the design of this new generator varied considerably from the previous generator design, it was necessary to show in detail how it is to be assembled, calculate them as of the generator and determine the heat loss from the system. A new method of assembling the RHU was also included as part of the design. As a side issue we redesigned the test stations to provide better control of the cold sink temperature. This will help in reducing the test data by eliminating the need to 'normalize' the data to a specific temperature. In addition these new stations can be used to simulate the low ambient temperatures associated with Mars and other planets.

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  • Report No.: DOE-ID14755-1
  • Grant Number: FG07-06ID14755
  • DOI: 10.2172/908405 | External Link
  • Office of Scientific & Technical Information Report Number: 908405
  • Archival Resource Key: ark:/67531/metadc878083

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  • May 23, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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Bass, John C.; Hiller, Nathan; Jovanovic, Velimir & Elsner, Norbert B. Multi-Mission Capable, High g Load mW RPS, report, May 23, 2007; United States. (digital.library.unt.edu/ark:/67531/metadc878083/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.